﻿#if !Rar2017_64bit
using nint = System.Int32;
using nuint = System.UInt32;
using size_t = System.UInt32;
#else
using nint = System.Int64;
using nuint = System.UInt64;
using size_t = System.UInt64;
#endif
using int64 = System.Int64;
using uint32 = System.UInt32;

using System;
using System.Collections.Generic;
using System.Text;

namespace SharpCompress.Compressors.Rar.UnpackV2017
{
    internal partial class Unpack
    {
//#define  rotls(x,n,xsize)  (((x)<<(n)) | ((x)>>(xsize-(n))))
//#define  rotrs(x,n,xsize)  (((x)>>(n)) | ((x)<<(xsize-(n))))
//#define  rotl32(x,n)       rotls(x,n,32)
//#define  rotr32(x,n)       rotrs(x,n,32)
//
//inline uint RawGet2(const void *Data)
//{
//  byte *D=(byte *)Data;
//  return D[0]+(D[1]<<8);
//}

        private uint32 RawGet4(byte[] D, int offset)
{
  return (uint)(D[offset]+(D[offset+1]<<8)+(D[offset+2]<<16)+(D[offset+3]<<24));
}

//inline uint64 RawGet8(const void *Data)
//{
//#if defined(BIG_ENDIAN) || !defined(ALLOW_MISALIGNED)
//  byte *D=(byte *)Data;
//  return INT32TO64(RawGet4(D+4),RawGet4(D));
//#else
//  return *(uint64 *)Data;
//#endif
//}
//
//
//inline void RawPut2(uint Field,void *Data)
//{
//  byte *D=(byte *)Data;
//  D[0]=(byte)(Field);
//  D[1]=(byte)(Field>>8);
//}

        private void RawPut4(uint32 Field,byte[] D, int offset)
{
  D[offset]=(byte)(Field);
  D[offset+1]=(byte)(Field>>8);
  D[offset+2]=(byte)(Field>>16);
  D[offset+3]=(byte)(Field>>24);
}

//inline void RawPut8(uint64 Field,void *Data)
//{
//#if defined(BIG_ENDIAN) || !defined(ALLOW_MISALIGNED)
//  byte *D=(byte *)Data;
//  D[0]=(byte)(Field);
//  D[1]=(byte)(Field>>8);
//  D[2]=(byte)(Field>>16);
//  D[3]=(byte)(Field>>24);
//  D[4]=(byte)(Field>>32);
//  D[5]=(byte)(Field>>40);
//  D[6]=(byte)(Field>>48);
//  D[7]=(byte)(Field>>56);
//#else
//  *(uint64 *)Data=Field;
//#endif
//}


//#if defined(LITTLE_ENDIAN) && defined(ALLOW_MISALIGNED)
//#define USE_MEM_BYTESWAP
//#endif

// Load 4 big endian bytes from memory and return uint32.
//inline uint32 RawGetBE4(const byte *m)
//{
//#if defined(USE_MEM_BYTESWAP) && defined(_MSC_VER)
//  return _byteswap_ulong(*(uint32 *)m);
//#elif defined(USE_MEM_BYTESWAP) && (__GNUC__ > 3) && (__GNUC_MINOR__ > 2)
//  return __builtin_bswap32(*(uint32 *)m);
//#else
//  return uint32(m[0]<<24) | uint32(m[1]<<16) | uint32(m[2]<<8) | m[3];
//#endif
//}


// Save integer to memory as big endian.
//inline void RawPutBE4(uint32 i,byte *mem)
//{
//#if defined(USE_MEM_BYTESWAP) && defined(_MSC_VER)
//  *(uint32*)mem = _byteswap_ulong(i);
//#elif defined(USE_MEM_BYTESWAP) && (__GNUC__ > 3) && (__GNUC_MINOR__ > 2)
//  *(uint32*)mem = __builtin_bswap32(i);
//#else
//  mem[0]=byte(i>>24);
//  mem[1]=byte(i>>16);
//  mem[2]=byte(i>>8);
//  mem[3]=byte(i);
//#endif
//}


//inline uint32 ByteSwap32(uint32 i)
//{
//#ifdef _MSC_VER
//  return _byteswap_ulong(i);
//#elif (__GNUC__ > 3) && (__GNUC_MINOR__ > 2)
//  return  __builtin_bswap32(i);
//#else
//  return (rotl32(i,24)&0xFF00FF00)|(rotl32(i,8)&0x00FF00FF);
//#endif
//}

    }
}
